Here is my form, which previously worked in Rails 3:
<%= form_for Style.new do |s| %>
<% end %>
This throws the error: undefined method `param_key’ for nil:NilClass
Full Trace:
NoMethodError - undefined method `param_key' for nil:NilClass:
actionview (4.2.0.rc2)
lib/action_view/helpers/form_helper.rb:433:in
form_for' app/views/styles/_add_style_form.html.erb:1:in_app_views_styles__add_style_form_html_erb__4060888642586793101_94112200’
actionview (4.2.0.rc2) lib/action_view/template.rb:145:in block in render' activesupport (4.2.0.rc2) lib/active_support/notifications.rb:164:inblock in instrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications/instrumenter.rb:20:in instrument' activesupport (4.2.0.rc2) lib/active_support/notifications.rb:164:ininstrument’
actionview (4.2.0.rc2) lib/action_view/template.rb:333:in
instrument' actionview (4.2.0.rc2) lib/action_view/template.rb:143:inrender’
xray-rails (0.1.14) lib/xray/engine.rb:33:in render_with_xray' actionview (4.2.0.rc2) lib/action_view/renderer/partial_renderer.rb:339:inrender_partial’
actionview (4.2.0.rc2)
lib/action_view/renderer/partial_renderer.rb:310:in block in render' actionview (4.2.0.rc2) lib/action_view/renderer/abstract_renderer.rb:39:inblock in
instrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
block in instrument' activesupport (4.2.0.rc2) lib/active_support/notifications/instrumenter.rb:20:ininstrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
instrument' actionview (4.2.0.rc2) lib/action_view/renderer/abstract_renderer.rb:39:ininstrument’
actionview (4.2.0.rc2)
lib/action_view/renderer/partial_renderer.rb:309:in render' actionview (4.2.0.rc2) lib/action_view/renderer/renderer.rb:47:inrender_partial’
actionview (4.2.0.rc2) lib/action_view/renderer/renderer.rb:21:in
render' actionview (4.2.0.rc2) lib/action_view/helpers/rendering_helper.rb:32:inrender’
app/views/styles/create_dashboard.html.erb:5:in
_app_views_styles_create_dashboard_html_erb___865179136945855599_42166680' actionview (4.2.0.rc2) lib/action_view/template.rb:145:inblock
in
render’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
block in instrument' activesupport (4.2.0.rc2) lib/active_support/notifications/instrumenter.rb:20:ininstrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
instrument' actionview (4.2.0.rc2) lib/action_view/template.rb:333:ininstrument’
actionview (4.2.0.rc2) lib/action_view/template.rb:143:in render' xray-rails (0.1.14) lib/xray/engine.rb:33:inrender_with_xray’
actionview (4.2.0.rc2)
lib/action_view/renderer/template_renderer.rb:54:in block (2 levels) in render_template' actionview (4.2.0.rc2) lib/action_view/renderer/abstract_renderer.rb:39:inblock in
instrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
block in instrument' activesupport (4.2.0.rc2) lib/active_support/notifications/instrumenter.rb:20:ininstrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
instrument' actionview (4.2.0.rc2) lib/action_view/renderer/abstract_renderer.rb:39:ininstrument’
actionview (4.2.0.rc2)
lib/action_view/renderer/template_renderer.rb:53:in block in render_template' actionview (4.2.0.rc2) lib/action_view/renderer/template_renderer.rb:61:inrender_with_layout’
actionview (4.2.0.rc2)
lib/action_view/renderer/template_renderer.rb:52:in render_template' actionview (4.2.0.rc2) lib/action_view/renderer/template_renderer.rb:14:inrender’
actionview (4.2.0.rc2) lib/action_view/renderer/renderer.rb:42:in
render_template' actionview (4.2.0.rc2) lib/action_view/renderer/renderer.rb:23:inrender’
actionview (4.2.0.rc2) lib/action_view/rendering.rb:100:in
_render_template' actionpack (4.2.0.rc2) lib/action_controller/metal/streaming.rb:217:in_render_template’
actionview (4.2.0.rc2) lib/action_view/rendering.rb:83:in
render_to_body' actionpack (4.2.0.rc2) lib/action_controller/metal/rendering.rb:32:inrender_to_body’
actionpack (4.2.0.rc2)
lib/action_controller/metal/renderers.rb:37:in
render_to_body' actionpack (4.2.0.rc2) lib/abstract_controller/rendering.rb:25:inrender’
actionpack (4.2.0.rc2)
lib/action_controller/metal/rendering.rb:16:in
render' actionpack (4.2.0.rc2) lib/action_controller/metal/instrumentation.rb:41:inblock (2 levels)
in
render’
activesupport (4.2.0.rc2)
lib/active_support/core_ext/benchmark.rb:12:in `block in ms’
/home/funkdified/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/benchmark.rb:294:in
realtime' activesupport (4.2.0.rc2) lib/active_support/core_ext/benchmark.rb:12:inms’
actionpack (4.2.0.rc2)
lib/action_controller/metal/instrumentation.rb:41:in block in render' actionpack (4.2.0.rc2) lib/action_controller/metal/instrumentation.rb:84:incleanup_view_runtime’
activerecord (4.2.0.rc2)
lib/active_record/railties/controller_runtime.rb:25:in
cleanup_view_runtime' sunspot_rails (2.1.1) lib/sunspot/rails/railties/controller_runtime.rb:15:incleanup_view_runtime’
actionpack (4.2.0.rc2)
lib/action_controller/metal/instrumentation.rb:40:in render' wicked_pdf (0.11.0) lib/wicked_pdf/pdf_helper.rb:23:inrender_with_wicked_pdf’
actionpack (4.2.0.rc2)
lib/action_controller/metal/implicit_render.rb:10:in default_render' actionpack (4.2.0.rc2) lib/action_controller/metal/implicit_render.rb:5:insend_action’
actionpack (4.2.0.rc2) lib/abstract_controller/base.rb:198:in
process_action' actionpack (4.2.0.rc2) lib/action_controller/metal/rendering.rb:10:inprocess_action’
actionpack (4.2.0.rc2) lib/abstract_controller/callbacks.rb:20:in
block in process_action' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:117:incall’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:151:in
block in halting_and_conditional' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:151:inblock in halting_and_conditional’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:234:in
block in halting' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:169:inblock in halting’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:234:in
block in halting' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:234:inblock in halting’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:234:in
block in halting' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:169:inblock in halting’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:92:in
_run_callbacks' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:734:in_run_process_action_callbacks’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:81:in
run_callbacks' actionpack (4.2.0.rc2) lib/abstract_controller/callbacks.rb:19:inprocess_action’
actionpack (4.2.0.rc2) lib/action_controller/metal/rescue.rb:29:in
process_action' actionpack (4.2.0.rc2) lib/action_controller/metal/instrumentation.rb:31:inblock in
process_action’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
block in instrument' activesupport (4.2.0.rc2) lib/active_support/notifications/instrumenter.rb:20:ininstrument’
activesupport (4.2.0.rc2)
lib/active_support/notifications.rb:164:in
instrument' actionpack (4.2.0.rc2) lib/action_controller/metal/instrumentation.rb:30:inprocess_action’
actionpack (4.2.0.rc2)
lib/action_controller/metal/params_wrapper.rb:250:in process_action' activerecord (4.2.0.rc2) lib/active_record/railties/controller_runtime.rb:18:inprocess_action’
actionpack (4.2.0.rc2) lib/abstract_controller/base.rb:137:in
process' actionview (4.2.0.rc2) lib/action_view/rendering.rb:30:inprocess’
actionpack (4.2.0.rc2) lib/action_controller/metal.rb:195:in
dispatch' actionpack (4.2.0.rc2) lib/action_controller/metal/rack_delegation.rb:13:indispatch’
actionpack (4.2.0.rc2) lib/action_controller/metal.rb:236:in
block in action' actionpack (4.2.0.rc2) lib/action_dispatch/routing/route_set.rb:73:indispatch’
actionpack (4.2.0.rc2)
lib/action_dispatch/routing/route_set.rb:42:in
serve' actionpack (4.2.0.rc2) lib/action_dispatch/journey/router.rb:43:inblock in serve’
actionpack (4.2.0.rc2) lib/action_dispatch/journey/router.rb:30:in
serve' actionpack (4.2.0.rc2) lib/action_dispatch/routing/route_set.rb:802:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' xray-rails (0.1.14) lib/xray/middleware.rb:37:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' omniauth (1.2.2) lib/omniauth/strategy.rb:186:incall!’
omniauth (1.2.2) lib/omniauth/strategy.rb:164:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
omniauth (1.2.2) lib/omniauth/strategy.rb:186:in call!' omniauth (1.2.2) lib/omniauth/strategy.rb:164:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' omniauth (1.2.2) lib/omniauth/strategy.rb:186:incall!’
omniauth (1.2.2) lib/omniauth/strategy.rb:164:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
meta_request (0.3.3)
lib/meta_request/middlewares/app_request_handler.rb:13:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
rack-contrib (1.1.0) lib/rack/contrib/response_headers.rb:17:in
call' meta_request (0.3.3) lib/meta_request/middlewares/headers.rb:16:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' meta_request (0.3.3) lib/meta_request/middlewares/meta_request_handler.rb:13:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' newrelic_rpm (3.9.0.229) lib/new_relic/rack/error_collector.rb:50:intraced_call’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:55:in call' newrelic_rpm (3.9.0.229) lib/new_relic/rack/agent_hooks.rb:26:intraced_call’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:55:in call' newrelic_rpm (3.9.0.229) lib/new_relic/rack/browser_monitoring.rb:19:intraced_call’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:55:in call' newrelic_rpm (3.9.0.229) lib/new_relic/rack/developer_mode.rb:48:intraced_call’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:55:in call' warden (1.2.3) lib/warden/manager.rb:35:inblock in call’
warden (1.2.3) lib/warden/manager.rb:34:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
rack (1.6.0.beta2) lib/rack/etag.rb:24:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
rack (1.6.0.beta2) lib/rack/conditionalget.rb:25:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
rack (1.6.0.beta2) lib/rack/head.rb:13:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
actionpack (4.2.0.rc2)
lib/action_dispatch/middleware/params_parser.rb:27:in call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
actionpack (4.2.0.rc2)
lib/action_dispatch/middleware/flash.rb:260:in
call' newrelic_rpm (3.9.0.229) lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:incall’
rack (1.6.0.beta2) lib/rack/session/abstract/id.rb:225:in
context' rack (1.6.0.beta2) lib/rack/session/abstract/id.rb:220:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/cookies.rb:560:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' activerecord (4.2.0.rc2) lib/active_record/query_cache.rb:36:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' activerecord (4.2.0.rc2) lib/active_record/connection_adapters/abstract/connection_pool.rb:647:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/callbacks.rb:29:inblock in call’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:88:in
_run_callbacks' activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:734:in_run_call_callbacks’
activesupport (4.2.0.rc2) lib/active_support/callbacks.rb:81:in
run_callbacks' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/callbacks.rb:27:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/reloader.rb:73:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/remote_ip.rb:78:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' better_errors (1.1.0) lib/better_errors/middleware.rb:84:inprotected_app_call’
better_errors (1.1.0) lib/better_errors/middleware.rb:79:in
better_errors_call' better_errors (1.1.0) lib/better_errors/middleware.rb:56:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/debug_exceptions.rb:17:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/show_exceptions.rb:30:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' railties (4.2.0.rc2) lib/rails/rack/logger.rb:38:incall_app’
railties (4.2.0.rc2) lib/rails/rack/logger.rb:20:in block in call' activesupport (4.2.0.rc2) lib/active_support/tagged_logging.rb:68:inblock in tagged’
activesupport (4.2.0.rc2)
lib/active_support/tagged_logging.rb:26:in
tagged' activesupport (4.2.0.rc2) lib/active_support/tagged_logging.rb:68:intagged’
railties (4.2.0.rc2) lib/rails/rack/logger.rb:20:in call' quiet_assets (1.0.3) lib/quiet_assets.rb:23:incall_with_quiet_assets’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/request_id.rb:21:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' rack (1.6.0.beta2) lib/rack/methodoverride.rb:22:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' rack (1.6.0.beta2) lib/rack/runtime.rb:18:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' activesupport (4.2.0.rc2) lib/active_support/cache/strategy/local_cache_middleware.rb:28:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' rack (1.6.0.beta2) lib/rack/lock.rb:17:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' actionpack (4.2.0.rc2) lib/action_dispatch/middleware/static.rb:113:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' rack (1.6.0.beta2) lib/rack/sendfile.rb:113:incall’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' railties (4.2.0.rc2) lib/rails/engine.rb:518:incall’
railties (4.2.0.rc2) lib/rails/application.rb:164:in call' railties (4.2.0.rc2) lib/rails/railtie.rb:194:inmethod_missing’
newrelic_rpm (3.9.0.229)
lib/new_relic/agent/instrumentation/middleware_tracing.rb:57:in call' rack (1.6.0.beta2) lib/rack/content_length.rb:15:incall’
thin (1.6.2) lib/thin/connection.rb:86:in block in pre_process' thin (1.6.2) lib/thin/connection.rb:84:inpre_process’
thin (1.6.2) lib/thin/connection.rb:53:in process' thin (1.6.2) lib/thin/connection.rb:39:inreceive_data’
eventmachine (1.0.3) lib/eventmachine.rb:187:in run' thin (1.6.2) lib/thin/backends/base.rb:73:instart’
thin (1.6.2) lib/thin/server.rb:162:in start' rack (1.6.0.beta2) lib/rack/handler/thin.rb:19:inrun’
rack (1.6.0.beta2) lib/rack/server.rb:286:in start' railties (4.2.0.rc2) lib/rails/commands/server.rb:80:instart’
railties (4.2.0.rc2) lib/rails/commands/commands_tasks.rb:80:in
block in server' railties (4.2.0.rc2) lib/rails/commands/commands_tasks.rb:75:inserver’
railties (4.2.0.rc2) lib/rails/commands/commands_tasks.rb:39:in
run_command!' railties (4.2.0.rc2) lib/rails/commands.rb:17:in<top
(required)>’
script/rails:6:in `’